The number of molecules contained in 1 mole of a pure substance. It was originally defined this way because it was determined from Avogadro's law, but it was found that it can also be applied to substances consisting of ions and atoms, and the previous definition now includes atoms and ions. It is usually expressed as N, where N ≒ 6.022045 × 10 2 3. It is also called the Loschmidt number. → Related topics Brownian motion | Perrin | Mol Source : Heibonsha Encyclopedia About MyPedia Information |
純物質1モル中に含まれる分子の数。初めアボガドロの法則から決められたのでこのように定義されたが,イオンや原子からなる物質についても適用できることがわかり,現在では先の定義に原子,イオンなどをも含めていう。通常Nで表し,N≒6.022045×1023である。ロシュミット数をいうこともある。 →関連項目ブラウン運動|ペラン|モル 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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